$BTC Bitcoin (BTC) is the world’s first and most well-known cryptocurrency, revolutionizing how people think about money. Built on blockchain technology, it allows for peer-to-peer transactions without the need for a central authority like a bank. Supporters see Bitcoin as a store of value, often calling it “digital gold.” It’s praised for its limited supply (21 million coins), transparency, and potential to offer financial freedom, especially in countries with unstable currencies. Over the years, Bitcoin has gained institutional interest, with major companies and investors joining the space, further boosting its legitimacy and long-term growth potential.